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| Automatic Indexing | 1 |
| Classification | 1 |
| Cluster Analysis | 1 |
| Databases | 1 |
| Experiments | 1 |
| Information Retrieval | 1 |
| Information Storage | 1 |
| Relevance (Information… | 1 |
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| Information Storage and… | 1 |
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| Sparck Jones, Karen | 1 |
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Sparck Jones, Karen – Information Storage and Retrieval, 1973
Retrieval performance with automatic term classifications for three test collections has been variable. This paper attempts to discover why. The real difference between the collections is in the separation of relevant from non-relevant documents. The separation is so poor that classification cannot be expected to succeed. (14 references)…
Descriptors: Automatic Indexing, Classification, Cluster Analysis, Databases
